Identification of surface NO<SUB>x</SUB> emission sources on a regional scale using OMI NO<SUB>2</SUB> - Université Pierre et Marie Curie Accéder directement au contenu
Article Dans Une Revue Atmospheric Environment Année : 2015

Identification of surface NOx emission sources on a regional scale using OMI NO2

I. Zyrichidou
  • Fonction : Auteur
M. E. Κoukouli
  • Fonction : Auteur
D. Balis
  • Fonction : Auteur
A. Poupkou
  • Fonction : Auteur
E. Katragkou
  • Fonction : Auteur
I. Kioutsioukis
  • Fonction : Auteur
D. Melas
  • Fonction : Auteur
K. F. Boersma
  • Fonction : Auteur
M. van Roozendael
  • Fonction : Auteur

Résumé

In this study, an inverse modeling technique is applied to obtain, at a regional scale, top-down emission estimates for nitrogen oxides utilizing tropospheric nitrogen dioxide (NO2) columns retrieved by the OMI/Aura instrument and estimated by the Comprehensive Air Quality Model with extensions (CAMx). The main idea, applied previously using models with coarse spatial resolution, is to combine the a priori information from the bottom up emission inventory used in an air quality simulation that covers the Balkan peninsula in a high resolution grid (0.1° × 0.1°) with the tropospheric NO2 quantities estimated for one complete year by CAMx and the tropospheric NO2 columns retrieved by satellite observations in order to identify missing emissions sources on a regional scale. The results have identified biases between the a priori and a posteriori emission inventories due to the missing emission sources or over-estimation of the spread and quantity of certain emission sources. In such a fine resolution grid we have also analyzed and considered the horizontal transport on the a posteriori NOx emissions. The deduced a posteriori NOx emissions, dominated by the fossil fuel emissions, were found to be1.11 ± 0.30 Tg N/y, compared to 0.87 ± 0.43 Tg N/y found in the a priori Balkan emission inventory. Soil emissions over the extended Greek domain, omitted in the a priori inventory, were estimated to account for almost 20% of the total emitted amount, while for the year 2009 the biomass burning NOx emission flux was also estimated and the average rate accounted for 0.5 × 10-6 Tg N/km2.
Fichier non déposé

Dates et versions

hal-04115223 , version 1 (02-06-2023)

Identifiants

Citer

I. Zyrichidou, M. E. Κoukouli, D. Balis, K. Markakis, A. Poupkou, et al.. Identification of surface NOx emission sources on a regional scale using OMI NO2. Atmospheric Environment, 2015, 101, pp.82-93. ⟨10.1016/j.atmosenv.2014.11.023⟩. ⟨hal-04115223⟩
15 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More